Yes, it has to do with facial muscles
It take more facial muscles to frown than to smile.
Facial muscles, lips, cheeks, throat
Facial muscles are usually employed to display surprise.
the muscles in our face are necessary so we can smile and make facial expressions
Yes.
It may or may not affect your facial muscles. But it spreads happiness. For practical, please give a smile to six moths old baby.
It takes 43 muscles to frown and only 17 to smile. So smile!
There are 33 muscles in a human face. And no, it doesn't take more muscles to frown than to smile.
The Buccinator muscles. (The cheeks)
The ones attached to the lips.
14 muscles for smiling, and 35 muscles for madness
The fat behind our cheeks protects sensitive facial muscles. Also in infants, this fat; relates to chewing and suckling. (: